Table 2.

Variables of prediction model and regression coefficients

Variables	β	Adjusted odds ratio (95% CI)	P-value
Age (years)	0.057	1.06 (1.03–1.09)	< 0.001
SOFA score	0.230	1.26 (1.12–1.42)	< 0.001
Benzodiazepine use (perioperative)	0.813	2.26 (1.08–4.69)	0.029
DM	1.109	3.03 (1.43–6.44)	0.004
Mechanical ventilation	1.178	3.25 (1.19–8.87)	0.022
Modified IQCODE score ≥ 3.42	1.219	3.38 (0.94–12.12)	0.061

Modified IQCODE score, modified informant questionnaire on cognitive decline in the elderly score; DM, diabetes mellitus; SOFA score, sequential organ failure assessment score